3130748129 has 2 divisors, whose sum is σ = 3130748130. Its totient is φ = 3130748128.

The previous prime is 3130748119. The next prime is 3130748143. The reversal of 3130748129 is 9218470313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1621270225 + 1509477904 = 40265^2 + 38852^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130748129 - 2⁴ = 3130748113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3130748092 and 3130748101.

It is not a weakly prime, because it can be changed into another prime (3130748119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565374064 + 1565374065.

It is an arithmetic number, because the mean of its divisors is an integer number (1565374065).

Almost surely, 2^3130748129 is an apocalyptic number.

It is an amenable number.

3130748129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130748129 is an equidigital number, since it uses as much as digits as its factorization.

3130748129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3130748129 is about 55953.0886457575. The cubic root of 3130748129 is about 1462.9047270451.

The spelling of 3130748129 in words is "three billion, one hundred thirty million, seven hundred forty-eight thousand, one hundred twenty-nine".